Home / 21,425.23-32,118.16-7,381.92

Finding the Fourth Proportional to 21,425.23, 32,118.16 and 7,381.92

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Solution

The fourth proportional to 21,425.23, 32,118.16 and 7,381.92 is: 11,066.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,425.23 : 32,118.16 = 7,381.92 : x
  2. Step 2: Convert to fraction form
    21,425.23/32,118.16 = 7,381.92/x
  3. Step 3: Cross multiply
    21,425.23x = 32,118.16 × 7,381.92
  4. Step 4: Simplify right side
    21,425.23x = 237,093,687.67
  5. Step 5: Solve for x
    x = 237,093,687.67/21,425.23
  6. Step 6: Final answer
    x = 11,066.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.